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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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19
external/llvm/test/Transforms/MemCpyOpt/memcpy-to-memset.ll vendored Normal file
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@@ -0,0 +1,19 @@
; RUN: opt -memcpyopt -S < %s | FileCheck %s
@cst = internal constant [3 x i32] [i32 -1, i32 -1, i32 -1], align 4
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
declare void @foo(i32*) nounwind
define void @test1() nounwind {
%arr = alloca [3 x i32], align 4
%arr_i8 = bitcast [3 x i32]* %arr to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %arr_i8, i8* bitcast ([3 x i32]* @cst to i8*), i64 12, i32 4, i1 false)
%arraydecay = getelementptr inbounds [3 x i32], [3 x i32]* %arr, i64 0, i64 0
call void @foo(i32* %arraydecay) nounwind
ret void
; CHECK-LABEL: @test1(
; CHECK: call void @llvm.memset
; CHECK-NOT: call void @llvm.memcpy
; CHECK: ret void
}